:root{font-family:system-ui,-apple-system,'Segoe UI',sans-serif;color:#213f35;background:#faf9f4;--muted:#687566;--line:#d9dfd2;--honey:#a7782c}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-underline-offset:4px}a:focus-visible{outline:3px solid var(--honey);outline-offset:5px}.skip{position:absolute;top:-80px;left:18px;background:#fff;padding:12px;z-index:5}.skip:focus{top:8px}header,main,footer{max-width:1200px;margin:auto}header{display:flex;align-items:center;justify-content:space-between;gap:25px;padding:24px 32px;border-bottom:1px solid var(--line)}.brand{font-size:28px;font-weight:780;letter-spacing:-1px;text-decoration:none;white-space:nowrap}.brand span{color:var(--honey)}nav{display:flex;gap:28px}nav a{font-size:12px;text-decoration:none}main{padding:0 32px}.hero{display:grid;grid-template-columns:1.05fr 1fr;gap:55px;align-items:center;padding:48px 0 35px}.eyebrow{font-size:9px;font-weight:750;letter-spacing:.15em;color:#748362;margin:0 0 15px}h1{font-size:clamp(40px,4.3vw,57px);line-height:1.08;letter-spacing:-2.2px;margin:0 0 21px;font-weight:730}h1 em{font-style:normal;color:#77895d}.lead{font-size:14px;line-height:1.8;color:var(--muted);max-width:480px}.actions{display:flex;gap:22px;align-items:center;flex-wrap:wrap;margin-top:24px}.button{padding:13px 17px;background:#294c39;color:#fff;border-radius:5px;text-decoration:none;font-size:12px;font-weight:650}.button:hover{background:#416749}.text-link{font-size:12px;font-weight:650}.tags{display:flex;gap:7px;flex-wrap:wrap;margin-top:23px}.tags span{border:1px solid #d7dfcd;border-radius:4px;padding:5px 8px;font-size:9px;color:#65755a}.hardware{margin:0;background:#f0f1e7;border:1px solid #d9dfcf;border-radius:8px;padding:18px}.hardware img{display:block;width:100%;height:auto;border-radius:4px}.hardware figcaption{font-size:10px;line-height:1.7;color:var(--muted);padding:13px 3px}.hardware-note{border-top:1px solid #d5ddc9;padding:16px 3px 0}.hardware-note strong{font-size:15px}.hardware-note p{font-size:11px;color:var(--muted);margin-bottom:0;line-height:1.6}.simulation-note{background:#f8efdb;border:1px solid #e6d7b5;display:flex;gap:18px;padding:19px 23px;border-radius:6px;align-items:center}.note-symbol{font-size:29px;color:#aa8348}.simulation-note p{font-size:12px;line-height:1.8;color:#736447;margin:0}.simulation-note strong{color:#6d5226}.architecture{padding:38px 0 31px}.section-heading h2,h2{font-size:28px;letter-spacing:-.8px;line-height:1.25;font-weight:650;margin:0 0 18px}.chain{display:grid;grid-template-columns:repeat(5,1fr);gap:13px;padding:0;margin:22px 0 0;list-style:none}.chain li{border:1px solid var(--line);background:#fffef9;border-radius:6px;padding:17px;position:relative}.chain b{font-size:10px;color:var(--honey);display:block;margin-bottom:15px}.chain strong{display:block;font-size:15px;margin-bottom:7px}.chain span{font-size:10px;color:var(--muted)}.guide-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:60px;align-items:start;border-top:1px solid var(--line);padding:34px 0}#parcours{scroll-margin-top:25px}.steps{list-style:none;padding:0;margin:25px 0 0}.steps>li{display:flex;gap:18px;border-top:1px solid var(--line);padding:25px 0}.steps>li:first-child{border-top:0;padding-top:5px}.step-number{width:31px;height:31px;display:grid;place-items:center;background:#e9eedf;color:#697f50;border:1px solid #d7dfc9;border-radius:50%;font-size:12px;font-weight:700;flex:none}.steps h3{font-size:18px;letter-spacing:-.3px;line-height:1.4;margin:1px 0 12px}.steps p{font-size:12px;line-height:1.85;color:var(--muted);margin:0 0 10px}.steps p.checkpoint{font-size:11px;color:#54704c;background:#edf2e5;padding:10px 12px;border-radius:4px}.checkpoint b{font-weight:650}code{font-family:Consolas,monospace;background:#e8eddf;padding:1px 4px;border-radius:3px;font-size:.95em}.pdf-card{background:#fffefa;border:1px solid #d7ddcc;border-top:3px solid #caa65e;border-radius:7px;padding:25px 24px;position:sticky;top:20px}.pdf-badge{font-size:8px;letter-spacing:.1em;font-weight:750;color:#8c702e}.page-count{font-size:58px;font-weight:650;letter-spacing:-2px;color:#728257;margin:24px 0 19px;line-height:1}.page-count span{font-size:14px;letter-spacing:0;font-weight:400;color:var(--muted)}.pdf-card h2{font-size:24px;margin-bottom:14px}.pdf-card>p:not(.page-count){font-size:12px;line-height:1.8;color:var(--muted)}.pdf-card ul{list-style:none;padding:0;margin:22px 0}.pdf-card li{font-size:11px;line-height:1.7;color:#607354;padding:6px 0 6px 17px;position:relative}.pdf-card li:before{content:'+';position:absolute;left:0;color:#a58140}.pdf-status{background:#f5f0e2;border:1px solid #e9dfc4;padding:14px;margin:20px 0}.pdf-status strong{font-size:11px;color:#7c5e29}.pdf-status p{font-size:10px;line-height:1.8;color:#83745d;margin:8px 0 0}.pdf-card>.text-link{font-size:10px;line-height:1.8}.equipment{border-top:1px solid var(--line);padding-top:27px;margin-top:10px}.equipment h2{font-size:25px}.equipment ul{padding:0;list-style:none}.equipment li{padding:12px 0;border-bottom:1px solid var(--line)}.equipment strong{font-size:12px;display:block;margin-bottom:5px}.equipment span{font-size:11px;color:var(--muted);line-height:1.7}.small{font-size:11px;line-height:1.8;color:var(--muted)}.checklist{background:#eaf0e1;border:1px solid #d5dfc8;border-radius:7px;padding:28px 30px;display:grid;grid-template-columns:1fr 1fr;gap:45px;margin:10px 0 33px}.checklist h2{font-size:26px;margin-bottom:0}.checklist>p{font-size:12px;line-height:1.9;color:#5d7150;margin:0}.sources{padding:0 0 32px}.sources h2{font-size:19px;margin-bottom:12px}.sources p{font-size:10px;color:var(--muted);line-height:1.8}.sources>div{display:flex;flex-wrap:wrap;gap:18px}.sources a{font-size:10px}footer{border-top:1px solid var(--line);padding:26px 32px 34px;display:flex;align-items:center;gap:28px}footer a:not(.brand){font-size:11px}footer .brand{margin-right:auto;font-size:25px}@media(max-width:950px){.hero{gap:30px}.guide-layout{gap:30px;grid-template-columns:minmax(0,1fr) 295px}.chain{gap:9px}.chain li{padding:13px}.chain strong{font-size:13px}.pdf-card{padding:22px}.checklist{gap:28px}}@media(max-width:650px){header{padding:20px;align-items:flex-start;gap:15px}.brand{font-size:25px}nav{gap:11px;flex-direction:column;text-align:right}nav a{font-size:10px}main{padding:0 20px}.hero{grid-template-columns:1fr;padding:31px 0 25px;gap:27px}h1{font-size:45px;letter-spacing:-1.8px}.lead{font-size:13px}.eyebrow{font-size:8px}.actions{gap:17px}.text-link{font-size:11px}.hardware{padding:13px}.simulation-note{align-items:flex-start;padding:16px;gap:11px}.simulation-note p{font-size:11px}.note-symbol{font-size:24px}.architecture{padding-top:29px}.section-heading h2{font-size:25px}.chain{grid-template-columns:1fr;gap:8px}.chain li{display:grid;grid-template-columns:30px 1fr;align-items:center;gap:3px 9px;padding:13px 17px}.chain b{grid-row:1 / span 2;margin:0}.chain strong{font-size:14px;margin:0}.chain span{font-size:10px}.guide-layout{grid-template-columns:1fr;gap:25px;padding-top:27px}.steps>li{gap:13px;padding:21px 0}.steps h3{font-size:17px}.steps p{font-size:11px}.steps p.checkpoint{font-size:10px}.pdf-card{position:static;padding:24px}.pdf-card .page-count{margin:20px 0 16px;font-size:49px}.pdf-card h2{font-size:25px}.equipment h2{font-size:24px}.checklist{grid-template-columns:1fr;gap:18px;padding:22px}.checklist h2{font-size:25px}.checklist>p{font-size:11px}.sources>div{flex-direction:column;gap:12px}footer{padding:24px 20px;align-items:flex-start;flex-wrap:wrap;gap:17px}footer .brand{width:100%}footer a:not(.brand){font-size:10px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}